Sun Cellular

LTE Upgrade SIM allows existing Smart, Smart Bro, TNT, Sun, and SBW non-LTE SIM subscribers to upgrade their SIM to LTE for only P10.00.

1. Keep your current mobile number when you upgrade your SIM to LTE.
2. Experience the Philippines’ Fastest Mobile Data Network, awarded by Ookla®
3. Enjoy FREE FB, IG, TikTok, and Twitter for 30 days, at 1GB per day.

Upgrade your SIM in these easy steps!

1. Turn off your phone. Remove your old SIM and replace it with the LTE Upgrade SIM.
2. Turn on phone and wait for the SMS instruction from 3723. Reply to the message with your mobile number.
3. Wait for the SMS confirmation. Do not use your phone for at least 15 minutes.
4. Restart your phone to complete the SIM upgrade process

Yes. To check if your SIM is LTE-ready, simply text SIMCHECK to 5832 for FREE.

You can use any of the following number formats:

• 09181234567
• 639181234567
• 9181234567

No, your LTE Upgrade SIM will not be blocked if you reach the maximum five (5) retries. However, you will be asked to retry transaction after 24 hours.

If you didn’t reply with your mobile number within two (2) minutes, you will receive two messages:

1. From Smart: “We did not receive your mobile number. Please try again or call *888 for assistance.”
2. From 3723: “To proceed with SIM upgrade, reply to this message with your mobile number (ex 09181234567). Gentle reminder to use your current phone for this process. Thank you!

If your phone supports dual SIM, please insert the LTE Upgrade SIM in the same SIM slot where your old SIM was originally placed.

For the new SIM upgrade process to work on your new phone, please ensure to follow these steps:

1. Insert your old SIM on the new phone.
2. Turn on your phone and wait for the signal bar to appear.
3. Once signal bar appears, turn off your phone and remove the old SIM card.
4. Insert the LTE Upgrade SIM and follow the on-screen instructions.

Yes, you may visit any Smart Store to have your active non-LTE SIM replaced with an LTE SIM. Please make sure that you have your active non-LTE SIM with you to claim your FREE LTE SIM.

You can also get it from the Smart Online Store for only P50.00 which comes with a Smart P50 load card. Here’s how:

1. Visit the Smart Online Store.
2. Order a Smart LTE Upgrade SIM.
3. Complete your order, delivery information, and payment¹.
4. Your new LTE Upgrade SIM and Smart P50 load card will be delivered to your stated delivery address.

No. This is not allowed since you can only trigger an LTE SIM upgrade from a working SIM.

Please ensure first that you do the following:

1. Input the correct mobile number.
2. Make sure you insert the LTE Upgrade SIM on your current phone and/or SIM slot.
3. Upgrading the correct type of SIM card. The LTE Upgrade SIM only works on Smart Prepaid, Smart Postpaid, TNT, Sun Prepaid, Sun Postpaid, Smart Bro Prepaid, and SBW Prepaid SIMs.

Note: LTE Upgrade SIM is not available to SUN FLP subscribers. Please visit the nearest Smart Store or Sun Shop to have your SIM upgraded.

Your FREE FB, IG, TikTok, and Twitter for 30 days will be credited within 24 hours upon successful SIM upgrade, at 1GB per day.

No, the data freebie is available to first time SIM upgraders only.

To best enjoy LTE, make sure you have SPD!

1. SIM: Check if your SIM is LTE-ready. Text SIMCHECK to 5832 for free.
2. Place: Find out if your area has LTE coverage. Visit smart.com.ph/LTE to know more.
3. Device: Ensure that you are using an LTE-capable device. If you are, set your mobile data to 4G/LTE.